ESP8266设置主机名

WiFi.hostname(newHostname.c_str());

/*
  Rui Santos
  Complete project details at https://RandomNerdTutorials.com/esp8266-nodemcu-set-custom-hostname-arduino/
  
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files.
  
  The above copyright notice and this permission notice shall be included in all
  copies or substantial portions of the Software.
*/

#include <ESP8266WiFi.h>

// Replace with your network credentials (STATION)
const char* ssid = "REPLACE_WITH_YOUR_SSID";
const char* password = "REPLACE_WITH_YOUR_PASSWORD";

String newHostname = "ESP8266Node";

void setup() {
  Serial.begin(115200);
  WiFi.mode(WIFI_STA);

  //Get Current Hostname
  Serial.printf("Default hostname: %s\n", WiFi.hostname().c_str());

  //Set new hostname
  WiFi.hostname(newHostname.c_str());

  //Get Current Hostname
  Serial.printf("New hostname: %s\n", WiFi.hostname().c_str());
  
  //Init Wi-Fi
  WiFi.begin(ssid, password);
  Serial.print("Connecting to WiFi ..");
  while (WiFi.status() != WL_CONNECTED) {
    Serial.print('.');
    delay(1000);
  }
  Serial.println(WiFi.localIP());
  Serial.print("RRSI: ");
  Serial.println(WiFi.RSSI());
}

void loop() {
  // put your main code here, to run repeatedly:
}